CN204407983U - A kind of accumulator of electric car charge protection device - Google Patents
A kind of accumulator of electric car charge protection device Download PDFInfo
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- CN204407983U CN204407983U CN201520148133.3U CN201520148133U CN204407983U CN 204407983 U CN204407983 U CN 204407983U CN 201520148133 U CN201520148133 U CN 201520148133U CN 204407983 U CN204407983 U CN 204407983U
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Abstract
The utility model discloses a kind of accumulator of electric car charge protection device, comprise micro controller module and charge in batteries data monitoring unit and communication interface circuit, the input of micro controller module is connected to button and arranges circuit, and the output of micro controller module is connected to liquid crystal display circuit, buzzer alarm circuit and indicator light circuit, charge in batteries data monitoring unit comprises voltage data monitoring means, current data monitoring means, temperature data monitoring means and A/D change-over circuit, described current data monitoring means comprises current transformer and current signal conditioning circuit, temperature data monitoring means comprises temperature sensor and temperature signal regulation circuit, the utility model is novel in design, structure is simple, there is voltage in Real-time Collection battery charging process, the function of electric current and temperature information, pass through LCDs, charge in batteries safety monitored by buzzer and indicator light simultaneously, avoid overvoltage, overcurrent and excess temperature are to the damage of storage battery, practical.
Description
Technical field
The utility model belongs to battery charge protection technical field, is specifically related to a kind of accumulator of electric car charge protection device.
Background technology
The owning amount of China's automobile goes up year by year, while bringing traffic pressure, also serious problem of environmental pollution come by band, the discharge of vehicle exhaust has been one of main source of city haze, the motor vehicle that can reach zero discharge in Vehicles Collected from Market just belongs to electric automobile, electric automobile is day by day popularized, more of a specified duration for cruising time for realizing power, the protection of storage battery is particularly important, in the whole life cycle of electrokinetic cell, charging process is maximum to its aging effects, and discharge process impact is less, major part electrokinetic cell does not damage in use, but damage in charging process, therefore in order to extend the whole service life of electrokinetic cell, the efficient quick charge of battery, select appropriate, suitable charging device is very necessary.Whether charging device for electric vehicle storage battery protection in the market reminds the charging of many employing indicator light variable color reminding users to complete, overvoltage crowbar or current foldback circuit is adopted to protect storage battery, precision is low, warning reminding is slow in reacting, artificial active is needed to go forward to investigate ability obtaining information, often because for a long time nobody answers or out in the cold, the unmanned process of charge in batteries over-voltage and over-current, the life of storage battery is caused to reduce, therefore, nowadays a kind of structure is lacked simple, reasonable in design, precision is high, install and lay convenient and use accumulator of electric car charge protection device simple to operate, by voltage in Real-Time Monitoring battery charging process, electric current and temperature information, by wireless or wired communication mode information gathering returned Control Room and use LCDs to show in real time, and by buzzer and indicator light Simultaneous Monitoring charge in batteries safety, solve storage battery generation overvoltage, when overcurrent and excess temperature damage, data processing precision is low and obtain the problems such as data message efficiency is low.
Utility model content
Technical problem to be solved in the utility model is for above-mentioned deficiency of the prior art; a kind of accumulator of electric car charge protection device is provided; it is rationally novel in design; there is the function of voltage, electric current and temperature information in Real-time Collection battery charging process; monitor charge in batteries safety by LCDs, buzzer and indicator light simultaneously; avoid overvoltage, overcurrent and excess temperature to the damage of storage battery, practical, be convenient to promote the use of.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of accumulator of electric car charge protection device, it is characterized in that: comprise micro controller module and charge in batteries data monitoring unit, and the communication interface circuit connected with described micro controller module, the input of described micro controller module is connected to button and arranges circuit, and the output of described micro controller module is connected to liquid crystal display circuit, buzzer alarm circuit and indicator light circuit, described charge in batteries data monitoring unit comprises voltage data monitoring means, current data monitoring means, temperature data monitoring means and A/D change-over circuit, the current signal conditioning circuit that described current data monitoring means comprises current transformer and connects with current transformer output, the temperature signal regulation circuit that described temperature data monitoring means comprises temperature sensor and connects with temperature sensor output, described voltage data monitoring means, the output of current signal conditioning circuit and temperature signal regulation circuit all connects with the input of described A/D change-over circuit, the output of described A/D change-over circuit connects with the input of described micro controller module,
Described micro controller module is ATMEGA128 single-chip microcomputer; Described A/D change-over circuit is chip ADS7844; Described current signal conditioning circuit comprises the Xiao Jite diode B1 that amplifier LM2904, chip LM285-2.5 and model are BAT54S, the in-phase input end of described amplifier LM2904 connects with the link of the 2nd pin of the 1st pin of Xiao Jite diode B1, Xiao Jite diode B1 and one end of resistance R3, the other end input point two-way of resistance R3, one tunnel connects with one end of nonpolar electric capacity C3 in parallel and nonpolar electric capacity C5, and another road is an input of current signal conditioning circuit; The link of the 3rd pin of Xiao Jite diode B1 and one end of resistance R4, nonpolar one end of electric capacity C7 and the inverting input of amplifier LM2904 connects, the other end ground connection of nonpolar electric capacity C7, the other end input point two-way of resistance R4, one tunnel connects with the other end of nonpolar electric capacity C3 in parallel and nonpolar electric capacity C5, and another road is another input of current signal conditioning circuit; The output of described amplifier LM2904 divides two-way, and resistance R7 in parallel and nonpolar electric capacity C8 of leading up to connects with the inverting input of amplifier LM2904, and another road connects with one end of resistance R9; The other end of resistance R9 exports point three tunnels, diode D3 of leading up to connects with 5V power output end, separately lead up to nonpolar electric capacity C10 ground connection, 3rd tunnel connects with the 2nd pin of chip ADS7844, the 4th pin ground connection of described amplifier LM2904, the 8th pin of amplifier LM2904 connects with+15V power output end; 4th pin of described chip LM285-2.5 exports point four tunnels, one tunnel connects with the anode of voltage stabilizing didoe D5, another road connects with one end of nonpolar electric capacity C6, the 3rd tunnel ground connection, and the 4th tunnel connects with the link of the 1st pin of Xiao Jite diode B1 and the 2nd pin of Xiao Jite diode B1; The negative electrode of voltage stabilizing didoe D5 exports a point two-way, and a road connects with one end of resistance R5, and another road connects with the 8th pin of chip LM285-2.5; The other end of resistance R5 connects with 5V power output end with the link of the other end of nonpolar electric capacity C6, and the 8th pin of described chip LM285-2.5 also connects with the 9th pin of chip ADS7844.
Above-mentioned a kind of accumulator of electric car charge protection device, it is characterized in that: described voltage data monitoring means comprises amplifier U1 that model is LM258 and the port P1 for gathering charge in batteries voltage data, 1st pin of described port P1 connects with one end of resistance R1, the other end of resistance R1 exports point three tunnels, one tunnel connects with one end of resistance R2, polar capacitor C15 in parallel and nonpolar electric capacity C4, another road connects with the anode of diode D1, and the 3rd tunnel connects with the reverse input end of amplifier U1; Resistance R2, polar capacitor C15 in parallel and the other end ground connection of nonpolar electric capacity C4, the negative electrode of diode D1 connects with 5V power output end, the output of described amplifier U1 divides two-way, and a road connects with the input in the same way of amplifier U1, and another road connects with one end of resistance R8; The other end of resistance R8 exports point three tunnels, diode D2 of leading up to connects with 5V power output end, separately lead up to electric capacity C9 ground connection, 3rd tunnel connects with the 1st pin of chip ADS7844,4th pin of described amplifier U1 connects with-15V power output end, and the 8th pin of amplifier U1 is connected with+15V power output end by resistance R6.
Above-mentioned a kind of accumulator of electric car charge protection device, is characterized in that: described temperature sensor is temperature sensor AD 590; Described temperature signal regulation circuit comprises the amplifier U2 that model is LM258,2nd pin of described temperature sensor AD 590 connects with one end of resistance R10, the other end of resistance R10 exports a point two-way, lead up in parallel nonpolar electric capacity C12, resistance R16 and resistance R18 ground connection, another road connects with the reverse input end of amplifier U2; 1st pin of described temperature sensor AD 590 exports a point two-way, and a road connects with+15V power output end, and another road connects with nonpolar electric capacity C11 one end, nonpolar electric capacity C11 other end ground connection; The output of described amplifier U2 divides two-way, and a road connects with the input in the same way of amplifier U2, and another road connects with one end of resistance R20; The other end of resistance R20 exports point three tunnels, diode D4 of leading up to connects with 5V power output end, separately lead up to electric capacity C14 ground connection, 3rd tunnel connects with the 3rd pin of chip ADS7844,4th pin of described amplifier U2 connects with-15V power output end, and the 8th pin of amplifier U2 is connected with+15V power output end by resistance R19.
Above-mentioned a kind of accumulator of electric car charge protection device, is characterized in that: described liquid crystal display circuit is LCD240128 LCDs.
Above-mentioned a kind of accumulator of electric car charge protection device; it is characterized in that: described buzzer alarm circuit is made up of loud speaker LS1, resistance R12, resistance R11 and triode Q1; described loud speaker LS1+input connected with 5V power output end by resistance R12; described loud speaker LS1-input connects with the collector electrode of triode Q1; the grounded emitter of triode Q1, the base stage of triode Q1 is connected with the 42nd pin of ATMEGA128 single-chip microcomputer by resistance R11.
Above-mentioned a kind of accumulator of electric car charge protection device, it is characterized in that: described indicator light circuit is by light-emitting diode DS1, light-emitting diode DS2, light-emitting diode DS3, resistance R13, resistance R14 and resistance R15 forms, the anode of described light-emitting diode DS1, the anode of light-emitting diode DS2 and the anode of light-emitting diode DS3 all connect with 5V power output end, the negative electrode of described light-emitting diode DS1 is by resistance R13 ground connection, the negative electrode of described light-emitting diode DS2 is connected with the 29th pin of ATMEGA128 single-chip microcomputer by resistance R14, the negative electrode of described light-emitting diode DS3 is connected with the 30th pin of ATMEGA128 single-chip microcomputer by resistance R15.
The utility model compared with prior art has the following advantages:
1, the utility model is by arranging the unit collection of charge in batteries data monitoring and nursing one's health voltage in battery charging process, electric current and temperature information, filtering is carried out respectively to the multichannel data gathered and compares denoising, and the Multi-channel monitoring analogue data of collection unified feeding analog to digital conversion circuit is changed, by button, the threshold value that circuit arranges each road analogue data is set, Information Monitoring data precision is high, accuracy is high, and circuit is simple, complete function.
2, the utility model adopts wireless or wired mode by arranging communication interface circuit, the data message that the collection of charge in batteries data monitoring unit is nursed one's health is sent back Control Room, practical liquid crystal display circuit Real-Time Monitoring charge in batteries data, accurate measurements is accomplished to charging voltage and charging current, and adopt buzzer alarm circuit to carry out real-time reminding to the parameter exceeding threshold value, acquisition data are flexible, good stability.
3, the utility model receives charge in batteries data by arranging single-chip microcomputer, and adopt ATMEGA128 single-chip microcomputer to receive the data message of A/D change-over circuit conversion, and carry out exchanges data by communication interface, system power dissipation is low, and precision is high, and cost is low.
4, the utility model is rationally novel in design, perfect in shape and function, and volume is little, simple to operate, and it is convenient, practical to realize, and is convenient to promote the use of.
In sum, the utility model is rationally novel in design, there is the function of voltage, electric current and temperature information in Real-time Collection battery charging process, monitor charge in batteries safety by LCDs, buzzer and indicator light simultaneously, avoid overvoltage, overcurrent and excess temperature to the damage of storage battery, practical, be convenient to promote the use of.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is schematic block circuit diagram of the present utility model.
Fig. 2 is the circuit theory diagrams of the utility model micro controller module.
Fig. 3 is the circuit theory diagrams of the utility model voltage data monitoring means.
Fig. 4 is the circuit theory diagrams of the utility model current signal conditioning circuit.
Fig. 5 is the connection diagram of the utility model temperature sensor and temperature signal regulation circuit.
Fig. 6 is the circuit theory diagrams of the utility model A/D change-over circuit.
Fig. 7 is the circuit theory diagrams of the utility model buzzer alarm circuit.
Fig. 8 is the circuit theory diagrams of the utility model indicator light circuit.
Fig. 9 is the circuit theory diagrams of the utility model liquid crystal display circuit.
Description of reference numerals:
1-voltage data monitoring means; 2-current transformer; 3-current signal conditioning circuit;
4-temperature sensor; 5-temperature signal regulation circuit; 6-A/D change-over circuit;
7-micro controller module; 8-liquid crystal display circuit; 9-communication interface circuit;
10-button arranges circuit; 11-buzzer alarm circuit; 12-indicator light circuit.
Embodiment
As shown in Figure 1, Figure 2, shown in Fig. 4 and Fig. 6, the utility model comprises micro controller module 7 and charge in batteries data monitoring unit, and the communication interface circuit 9 connected with described micro controller module 7, the input of described micro controller module 7 is connected to button and arranges circuit 10, and the output of described micro controller module 7 is connected to liquid crystal display circuit 8, buzzer alarm circuit 11 and indicator light circuit 12, described charge in batteries data monitoring unit comprises voltage data monitoring means 1, current data monitoring means, temperature data monitoring means and A/D change-over circuit 6, the current signal conditioning circuit 3 that described current data monitoring means comprises current transformer 2 and connects with current transformer 2 output, the temperature signal regulation circuit 5 that described temperature data monitoring means comprises temperature sensor 4 and connects with temperature sensor 4 output, described voltage data monitoring means 1, the output of current signal conditioning circuit 3 and temperature signal regulation circuit 5 all connects with the input of described A/D change-over circuit 6, the output of described A/D change-over circuit 6 connects with the input of described micro controller module 7.
Described micro controller module 7 is ATMEGA128 single-chip microcomputer; Described A/D change-over circuit 6 is chip ADS7844; Described current signal conditioning circuit 3 comprises the Xiao Jite diode B1 that amplifier LM2904, chip LM285-2.5 and model are BAT54S, the in-phase input end of described amplifier LM2904 connects with the link of the 2nd pin of the 1st pin of Xiao Jite diode B1, Xiao Jite diode B1 and one end of resistance R3, the other end input point two-way of resistance R3, one tunnel connects with one end of nonpolar electric capacity C3 in parallel and nonpolar electric capacity C5, and another road is an input of current signal conditioning circuit 3; The link of the 3rd pin of Xiao Jite diode B1 and one end of resistance R4, nonpolar one end of electric capacity C7 and the inverting input of amplifier LM2904 connects, the other end ground connection of nonpolar electric capacity C7, the other end input point two-way of resistance R4, one tunnel connects with the other end of nonpolar electric capacity C3 in parallel and nonpolar electric capacity C5, and another road is another input of current signal conditioning circuit 3; The output of described amplifier LM2904 divides two-way, and resistance R7 in parallel and nonpolar electric capacity C8 of leading up to connects with the inverting input of amplifier LM2904, and another road connects with one end of resistance R9; The other end of resistance R9 exports point three tunnels, diode D3 of leading up to connects with 5V power output end, separately lead up to nonpolar electric capacity C10 ground connection, 3rd tunnel connects with the 2nd pin of chip ADS7844, the 4th pin ground connection of described amplifier LM2904, the 8th pin of amplifier LM2904 connects with+15V power output end; 4th pin of described chip LM285-2.5 exports point four tunnels, one tunnel connects with the anode of voltage stabilizing didoe D5, another road connects with one end of nonpolar electric capacity C6, the 3rd tunnel ground connection, and the 4th tunnel connects with the link of the 1st pin of Xiao Jite diode B1 and the 2nd pin of Xiao Jite diode B1; The negative electrode of voltage stabilizing didoe D5 exports a point two-way, and a road connects with one end of resistance R5, and another road connects with the 8th pin of chip LM285-2.5; The other end of resistance R5 connects with 5V power output end with the link of the other end of nonpolar electric capacity C6, and the 8th pin of described chip LM285-2.5 also connects with the 9th pin of chip ADS7844.
In physical cabling, 19th pin of described chip ADS7844, 18th pin, 17th pin and the 15th pin respectively with the 11st pin of ATMEGA128 single-chip microcomputer, 10th pin, 12nd pin and the 13rd pin connect, 20th pin and the 12nd pin of described chip ADS7844 all connect with 5V power output end, 14th pin of described chip ADS7844 and the equal ground connection of the 13rd pin, 11st pin of described chip ADS7844 exports a point two-way, resistance R17 of leading up to connects with 5V power output end, another road connects with one end of nonpolar electric capacity C13 in parallel and polar capacitor C16, nonpolar electric capacity C13 in parallel and the other end ground connection of polar capacitor C16, an input Port1 of described current signal conditioning circuit 3 is connected the two ends of current transformer respectively with another input Port2 of current signal conditioning circuit 3, gathers current parameters data in battery charging process.
As shown in Figure 3, in the present embodiment, described voltage data monitoring means 1 comprises amplifier U1 that model is LM258 and the port P1 for gathering charge in batteries voltage data, 1st pin of described port P1 connects with one end of resistance R1, the other end of resistance R1 exports point three tunnels, one tunnel connects with one end of resistance R2, polar capacitor C15 in parallel and nonpolar electric capacity C4, and another road connects with the anode of diode D1, and the 3rd tunnel connects with the reverse input end of amplifier U1; Resistance R2, polar capacitor C15 in parallel and the other end ground connection of nonpolar electric capacity C4, the negative electrode of diode D1 connects with 5V power output end, the output of described amplifier U1 divides two-way, and a road connects with the input in the same way of amplifier U1, and another road connects with one end of resistance R8; The other end of resistance R8 exports point three tunnels, diode D2 of leading up to connects with 5V power output end, separately lead up to electric capacity C9 ground connection, 3rd tunnel connects with the 1st pin of chip ADS7844,4th pin of described amplifier U1 connects with-15V power output end, and the 8th pin of amplifier U1 is connected with+15V power output end by resistance R6.
In physical cabling, the 1st pin of port P1 connects the positive output end of storage battery, and the 2nd pin of port P1 connects voltage parameter data in the negative output terminal collection battery charging process of storage battery.
As shown in Figure 5, in the present embodiment, described temperature sensor 4 is temperature sensor AD 590; Described temperature signal regulation circuit 5 comprises the amplifier U2 that model is LM258,2nd pin of described temperature sensor AD 590 connects with one end of resistance R10, the other end of resistance R10 exports a point two-way, lead up in parallel nonpolar electric capacity C12, resistance R16 and resistance R18 ground connection, another road connects with the reverse input end of amplifier U2; 1st pin of described temperature sensor AD 590 exports a point two-way, and a road connects with+15V power output end, and another road connects with nonpolar electric capacity C11 one end, nonpolar electric capacity C11 other end ground connection; The output of described amplifier U2 divides two-way, and a road connects with the input in the same way of amplifier U2, and another road connects with one end of resistance R20; The other end of resistance R20 exports point three tunnels, diode D4 of leading up to connects with 5V power output end, separately lead up to electric capacity C14 ground connection, 3rd tunnel connects with the 3rd pin of chip ADS7844,4th pin of described amplifier U2 connects with-15V power output end, and the 8th pin of amplifier U2 is connected with+15V power output end by resistance R19.
As shown in Figure 9, in the present embodiment, described liquid crystal display circuit 8 is LCD240128 LCDs.
In physical cabling, 4th pin of described LCD240128 LCDs, 5th pin, 6th pin, 7th pin and the 8th pin respectively with the 33rd pin of ATMEGA128 single-chip microcomputer, 34th pin, 35th pin, 36th pin and the 20th pin connect, 9th pin of described LCD240128 LCDs, 10th pin, 11st pin, 12nd pin, 13rd pin, 14th pin, 15th pin and the 16th pin respectively with the 51st pin of ATMEGA128 single-chip microcomputer, 50th pin, 49th pin, 48th pin, 47th pin, 46th pin, 45th pin and the 44th pin connect, 2nd pin and the 19th pin of described LCD240128 LCDs connect with 5V power output end respectively, 1st pin of described LCD240128 LCDs, 17th pin and the equal ground connection of the 20th pin, 18th pin of described LCD240128 LCDs connects with a stiff end of swept resistance R21, another stiff end ground connection of swept resistance R21, the sliding end of swept resistance R21 and the 3rd pin of LCD240128 LCDs.
As shown in Figure 7, in the present embodiment, described buzzer alarm circuit 11 is made up of loud speaker LS1, resistance R12, resistance R11 and triode Q1, described loud speaker LS1+input connected with 5V power output end by resistance R12, described loud speaker LS1-input connects with the collector electrode of triode Q1, the grounded emitter of triode Q1, the base stage of triode Q1 is connected with the 42nd pin of ATMEGA128 single-chip microcomputer by resistance R11.
As shown in Figure 8, in the present embodiment, described indicator light circuit 12 is by light-emitting diode DS1, light-emitting diode DS2, light-emitting diode DS3, resistance R13, resistance R14 and resistance R15 forms, the anode of described light-emitting diode DS1, the anode of light-emitting diode DS2 and the anode of light-emitting diode DS3 all connect with 5V power output end, the negative electrode of described light-emitting diode DS1 is by resistance R13 ground connection, the negative electrode of described light-emitting diode DS2 is connected with the 29th pin of ATMEGA128 single-chip microcomputer by resistance R14, the negative electrode of described light-emitting diode DS3 is connected with the 30th pin of ATMEGA128 single-chip microcomputer by resistance R15.
When the utility model uses, by by indicator light circuit 12 access control circuit, when switching on power, light-emitting diode DS1 luminescence display is powered normally, voltage data monitoring means 1 gathers storage battery both end voltage, current transformer 2 Real-time Collection loop current is sent to current signal conditioning circuit 3, simultaneous temperature transducer 4 gathers real time temperature in battery charging process and is sent in temperature signal regulation circuit 5, after three tunnel analogue datas compare denoising after filtering, unified being input in A/D change-over circuit 6 is converted to the accessible digital information of micro controller module 7, button arranges the threshold value that circuit 10 arranges three circuit-switched data in advance, the data of collection are sent back Control Room through wired or wireless mode by communication interface circuit 9, and shown in real time by liquid crystal display circuit 8, when the data of monitoring remain in the threshold range of setting, light-emitting diode DS2 in indicator light circuit 12 is luminous normal, and micro controller module 7 output low level, triode Q1 ends, buzzer in buzzer alarm circuit 11 not sound, when the data of monitoring exceed the threshold range of setting, light-emitting diode DS3 in indicator light circuit 12 is luminous, micro controller module 7 exports high level, triode Q1 conducting, buzzer conducting in buzzer alarm circuit 11 is reported to the police, user is reminded to investigate fault, ensure service lifetime of accumulator, result of use is good.
The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every above embodiment is done according to the utility model technical spirit any simple modification, change and equivalent structure change, all still belong in the protection range of technical solutions of the utility model.
Claims (6)
1. an accumulator of electric car charge protection device, it is characterized in that: comprise micro controller module (7) and charge in batteries data monitoring unit, and the communication interface circuit (9) connected with described micro controller module (7), the input of described micro controller module (7) is connected to button and arranges circuit (10), and the output of described micro controller module (7) is connected to liquid crystal display circuit (8), buzzer alarm circuit (11) and indicator light circuit (12), described charge in batteries data monitoring unit comprises voltage data monitoring means (1), current data monitoring means, temperature data monitoring means and A/D change-over circuit (6), the current signal conditioning circuit (3) that described current data monitoring means comprises current transformer (2) and connects with current transformer (2) output, the temperature signal regulation circuit (5) that described temperature data monitoring means comprises temperature sensor (4) and connects with temperature sensor (4) output, described voltage data monitoring means (1), the output of current signal conditioning circuit (3) and temperature signal regulation circuit (5) all connects with the input of described A/D change-over circuit (6), the output of described A/D change-over circuit (6) connects with the input of described micro controller module (7),
Described micro controller module (7) is ATMEGA128 single-chip microcomputer; Described A/D change-over circuit (6) is chip ADS7844; Described current signal conditioning circuit (3) comprises the Xiao Jite diode B1 that amplifier LM2904, chip LM285-2.5 and model are BAT54S, the in-phase input end of described amplifier LM2904 connects with the link of the 2nd pin of the 1st pin of Xiao Jite diode B1, Xiao Jite diode B1 and one end of resistance R3, the other end input point two-way of resistance R3, one tunnel connects with one end of nonpolar electric capacity C3 in parallel and nonpolar electric capacity C5, and another road is an input of current signal conditioning circuit (3); The link of the 3rd pin of Xiao Jite diode B1 and one end of resistance R4, nonpolar one end of electric capacity C7 and the inverting input of amplifier LM2904 connects, the other end ground connection of nonpolar electric capacity C7, the other end input point two-way of resistance R4, one tunnel connects with the other end of nonpolar electric capacity C3 in parallel and nonpolar electric capacity C5, and another road is another input of current signal conditioning circuit (3); The output of described amplifier LM2904 divides two-way, and resistance R7 in parallel and nonpolar electric capacity C8 of leading up to connects with the inverting input of amplifier LM2904, and another road connects with one end of resistance R9; The other end of resistance R9 exports point three tunnels, diode D3 of leading up to connects with 5V power output end, separately lead up to nonpolar electric capacity C10 ground connection, 3rd tunnel connects with the 2nd pin of chip ADS7844, the 4th pin ground connection of described amplifier LM2904, the 8th pin of amplifier LM2904 connects with+15V power output end; 4th pin of described chip LM285-2.5 exports point four tunnels, one tunnel connects with the anode of voltage stabilizing didoe D5, another road connects with one end of nonpolar electric capacity C6, the 3rd tunnel ground connection, and the 4th tunnel connects with the link of the 1st pin of Xiao Jite diode B1 and the 2nd pin of Xiao Jite diode B1; The negative electrode of voltage stabilizing didoe D5 exports a point two-way, and a road connects with one end of resistance R5, and another road connects with the 8th pin of chip LM285-2.5; The other end of resistance R5 connects with 5V power output end with the link of the other end of nonpolar electric capacity C6, and the 8th pin of described chip LM285-2.5 also connects with the 9th pin of chip ADS7844.
2. according to a kind of accumulator of electric car charge protection device according to claim 1, it is characterized in that: described voltage data monitoring means (1) comprises amplifier U1 that model is LM258 and the port P1 for gathering charge in batteries voltage data, 1st pin of described port P1 connects with one end of resistance R1, the other end of resistance R1 exports point three tunnels, one tunnel connects with one end of resistance R2, polar capacitor C15 in parallel and nonpolar electric capacity C4, another road connects with the anode of diode D1, and the 3rd tunnel connects with the reverse input end of amplifier U1; Resistance R2, polar capacitor C15 in parallel and the other end ground connection of nonpolar electric capacity C4, the negative electrode of diode D1 connects with 5V power output end, the output of described amplifier U1 divides two-way, and a road connects with the input in the same way of amplifier U1, and another road connects with one end of resistance R8; The other end of resistance R8 exports point three tunnels, diode D2 of leading up to connects with 5V power output end, separately lead up to electric capacity C9 ground connection, 3rd tunnel connects with the 1st pin of chip ADS7844,4th pin of described amplifier U1 connects with-15V power output end, and the 8th pin of amplifier U1 is connected with+15V power output end by resistance R6.
3. according to a kind of accumulator of electric car charge protection device according to claim 1, it is characterized in that: described temperature sensor (4) is temperature sensor AD 590; Described temperature signal regulation circuit (5) comprises the amplifier U2 that model is LM258,2nd pin of described temperature sensor AD 590 connects with one end of resistance R10, the other end of resistance R10 exports a point two-way, lead up in parallel nonpolar electric capacity C12, resistance R16 and resistance R18 ground connection, another road connects with the reverse input end of amplifier U2; 1st pin of described temperature sensor AD 590 exports a point two-way, and a road connects with+15V power output end, and another road connects with nonpolar electric capacity C11 one end, nonpolar electric capacity C11 other end ground connection; The output of described amplifier U2 divides two-way, and a road connects with the input in the same way of amplifier U2, and another road connects with one end of resistance R20; The other end of resistance R20 exports point three tunnels, diode D4 of leading up to connects with 5V power output end, separately lead up to electric capacity C14 ground connection, 3rd tunnel connects with the 3rd pin of chip ADS7844,4th pin of described amplifier U2 connects with-15V power output end, and the 8th pin of amplifier U2 is connected with+15V power output end by resistance R19.
4. according to a kind of accumulator of electric car charge protection device according to claim 1, it is characterized in that: described liquid crystal display circuit (8) is LCD240128 LCDs.
5. according to a kind of accumulator of electric car charge protection device according to claim 1; it is characterized in that: described buzzer alarm circuit (11) is made up of loud speaker LS1, resistance R12, resistance R11 and triode Q1; described loud speaker LS1+input connected with 5V power output end by resistance R12; described loud speaker LS1-input connects with the collector electrode of triode Q1; the grounded emitter of triode Q1, the base stage of triode Q1 is connected with the 42nd pin of ATMEGA128 single-chip microcomputer by resistance R11.
6. according to a kind of accumulator of electric car charge protection device according to claim 1, it is characterized in that: described indicator light circuit (12) is by light-emitting diode DS1, light-emitting diode DS2, light-emitting diode DS3, resistance R13, resistance R14 and resistance R15 forms, the anode of described light-emitting diode DS1, the anode of light-emitting diode DS2 and the anode of light-emitting diode DS3 all connect with 5V power output end, the negative electrode of described light-emitting diode DS1 is by resistance R13 ground connection, the negative electrode of described light-emitting diode DS2 is connected with the 29th pin of ATMEGA128 single-chip microcomputer by resistance R14, the negative electrode of described light-emitting diode DS3 is connected with the 30th pin of ATMEGA128 single-chip microcomputer by resistance R15.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520148133.3U CN204407983U (en) | 2015-03-16 | 2015-03-16 | A kind of accumulator of electric car charge protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520148133.3U CN204407983U (en) | 2015-03-16 | 2015-03-16 | A kind of accumulator of electric car charge protection device |
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| CN204407983U true CN204407983U (en) | 2015-06-17 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105186599A (en) * | 2015-08-04 | 2015-12-23 | 广东瑞德智能科技股份有限公司 | Circuit preventing reverse connection and reverse charging of solar controller |
| CN106771544A (en) * | 2017-01-03 | 2017-05-31 | 徐州融慧达电子科技有限公司 | Charging detection device and method for measuring charged |
| CN107139749A (en) * | 2017-05-18 | 2017-09-08 | 江苏银基烯碳能源科技有限公司 | Battery management system |
| CN110165741A (en) * | 2019-06-03 | 2019-08-23 | 深圳市东峰盛科技有限公司 | A kind of digital product charging alarm control circuit |
| CN112510829A (en) * | 2020-11-24 | 2021-03-16 | 中国铁路西安局集团有限公司科学技术研究所 | Data processing unit, main monitoring module and device for high-speed rail through line power cable |
| US20220099752A1 (en) * | 2020-09-29 | 2022-03-31 | Robert Bosch Gmbh | Method and Apparatus for Machine-Individual Improvement of the Lifetime of a Battery in a Battery-Operated Machine |
| CN117559610A (en) * | 2024-01-10 | 2024-02-13 | 云南山高新能源有限公司 | Emergency protection system for electric automobile during high-voltage charging |
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2015
- 2015-03-16 CN CN201520148133.3U patent/CN204407983U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105186599A (en) * | 2015-08-04 | 2015-12-23 | 广东瑞德智能科技股份有限公司 | Circuit preventing reverse connection and reverse charging of solar controller |
| CN106771544A (en) * | 2017-01-03 | 2017-05-31 | 徐州融慧达电子科技有限公司 | Charging detection device and method for measuring charged |
| CN107139749A (en) * | 2017-05-18 | 2017-09-08 | 江苏银基烯碳能源科技有限公司 | Battery management system |
| CN110165741A (en) * | 2019-06-03 | 2019-08-23 | 深圳市东峰盛科技有限公司 | A kind of digital product charging alarm control circuit |
| CN110165741B (en) * | 2019-06-03 | 2024-08-23 | 深圳市东峰盛科技有限公司 | Digital product charging alarm control circuit |
| US20220099752A1 (en) * | 2020-09-29 | 2022-03-31 | Robert Bosch Gmbh | Method and Apparatus for Machine-Individual Improvement of the Lifetime of a Battery in a Battery-Operated Machine |
| US11835589B2 (en) * | 2020-09-29 | 2023-12-05 | Robert Bosch Gmbh | Method and apparatus for machine-individual improvement of the lifetime of a battery in a battery-operated machine |
| CN112510829A (en) * | 2020-11-24 | 2021-03-16 | 中国铁路西安局集团有限公司科学技术研究所 | Data processing unit, main monitoring module and device for high-speed rail through line power cable |
| CN117559610A (en) * | 2024-01-10 | 2024-02-13 | 云南山高新能源有限公司 | Emergency protection system for electric automobile during high-voltage charging |
| CN117559610B (en) * | 2024-01-10 | 2024-03-19 | 云南山高新能源有限公司 | Emergency protection system for electric automobile during high-voltage charging |
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